p  0x7ffffffffffff9ff
n  0x8000000000000000
p0 9223372036854774271
p1 9223372036854774270
p2 9223372036854774269
p3 9223372036854774268

p  0x7ffffffffffffa00
n  0x8000000000000001
p0 9223372036854774272
p1 9223372036854774271
p2 9223372036854774270
p3 9223372036854774269

p  0x7ffffffffffffbff
n  0x8000000000000200
p0 9223372036854774783
p1 9223372036854774782
p2 9223372036854774781
p3 9223372036854774780

p  0x7ffffffffffffc00
n  0x8000000000000400
p0 9223372036854774784
p1 9223372036854774783
p2 9223372036854774782
p3 9223372036854774781

p  0x7ffffffffffffe00
n  0x8000000000000401
p0 9223372036854775296
p1 9223372036854775295
p2 9223372036854775294
p3 9223372036854775293

p  0x7ffffffffffffffe
n  0x8000000000000600
p0 9223372036854775806
p1 9223372036854775805
p2 9223372036854775804
p3 9223372036854775803

p  0x7fffffffffffffff
n  0x8000000000000601
p0 9223372036854775807
p1 9223372036854775806
p2 9223372036854775805
p3 9223372036854775804
